201419865

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 380261376

約数和(自身を除く): 178841511

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 61, 81, 93, 135, 155, 183, 263, 279, 305, 405, 465, 549, 789, 837, 915, 1315, 1395, 1647, 1891, 2367, 2511, 2745, 3945, 4185, 4941, 5673, 7101, 8153, 8235, 9455, 11835, 12555, 16043, 17019, 21303, 24459, 24705, 28365, 35505, 40765, 48129, 51057, 73377, 80215, 85095, 106515, 122295, 144387, 153171, 220131, 240645, 255285, 366885, 433161, 497333, 660393, 721935, 765855, 1100655, 1299483, 1491999, 2165805, 2486665, 3301965, 4475997, 6497415, 7459995, 13427991, 22379985, 40283973, 67139955, 201419865]

約数ペア:

[(1, 201419865), (3, 67139955), (5, 40283973), (9, 22379985), (15, 13427991), (27, 7459995), (31, 6497415), (45, 4475997), (61, 3301965), (81, 2486665), (93, 2165805), (135, 1491999), (155, 1299483), (183, 1100655), (263, 765855), (279, 721935), (305, 660393), (405, 497333), (465, 433161), (549, 366885), (789, 255285), (837, 240645), (915, 220131), (1315, 153171), (1395, 144387), (1647, 122295), (1891, 106515), (2367, 85095), (2511, 80215), (2745, 73377), (3945, 51057), (4185, 48129), (4941, 40765), (5673, 35505), (7101, 28365), (8153, 24705), (8235, 24459), (9455, 21303), (11835, 17019), (12555, 16043)]