161815095

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 326918592

約数和(自身を除く): 165103497

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 53, 65, 85, 117, 153, 159, 195, 221, 255, 265, 307, 477, 585, 663, 689, 765, 795, 901, 921, 1105, 1535, 1989, 2067, 2385, 2703, 2763, 3315, 3445, 3991, 4505, 4605, 5219, 6201, 8109, 9945, 10335, 11713, 11973, 13515, 13815, 15657, 16271, 19955, 26095, 31005, 35139, 35919, 40545, 46971, 48813, 58565, 59865, 67847, 78285, 81355, 105417, 146439, 175695, 179595, 203541, 211523, 234855, 244065, 276607, 339235, 527085, 610623, 634569, 732195, 829821, 1017705, 1057615, 1383035, 1903707, 2489463, 3053115, 3172845, 3595891, 4149105, 9518535, 10787673, 12447315, 17979455, 32363019, 53938365, 161815095]

約数ペア:

[(1, 161815095), (3, 53938365), (5, 32363019), (9, 17979455), (13, 12447315), (15, 10787673), (17, 9518535), (39, 4149105), (45, 3595891), (51, 3172845), (53, 3053115), (65, 2489463), (85, 1903707), (117, 1383035), (153, 1057615), (159, 1017705), (195, 829821), (221, 732195), (255, 634569), (265, 610623), (307, 527085), (477, 339235), (585, 276607), (663, 244065), (689, 234855), (765, 211523), (795, 203541), (901, 179595), (921, 175695), (1105, 146439), (1535, 105417), (1989, 81355), (2067, 78285), (2385, 67847), (2703, 59865), (2763, 58565), (3315, 48813), (3445, 46971), (3991, 40545), (4505, 35919), (4605, 35139), (5219, 31005), (6201, 26095), (8109, 19955), (9945, 16271), (10335, 15657), (11713, 13815), (11973, 13515)]