202106115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2\times {\mathrm{71}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 382415904

約数和(自身を除く): 180309789

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 61, 71, 85, 153, 183, 213, 255, 305, 355, 549, 639, 765, 915, 1037, 1065, 1207, 2745, 3111, 3195, 3621, 3721, 4331, 5185, 6035, 9333, 10863, 11163, 12993, 15555, 18105, 18605, 21655, 33489, 38979, 46665, 54315, 55815, 63257, 64965, 73627, 167445, 189771, 194895, 220881, 264191, 316285, 368135, 569313, 662643, 792573, 948855, 1104405, 1320955, 2377719, 2846565, 3313215, 3962865, 4491247, 11888595, 13473741, 22456235, 40421223, 67368705, 202106115]

約数ペア:

[(1, 202106115), (3, 67368705), (5, 40421223), (9, 22456235), (15, 13473741), (17, 11888595), (45, 4491247), (51, 3962865), (61, 3313215), (71, 2846565), (85, 2377719), (153, 1320955), (183, 1104405), (213, 948855), (255, 792573), (305, 662643), (355, 569313), (549, 368135), (639, 316285), (765, 264191), (915, 220881), (1037, 194895), (1065, 189771), (1207, 167445), (2745, 73627), (3111, 64965), (3195, 63257), (3621, 55815), (3721, 54315), (4331, 46665), (5185, 38979), (6035, 33489), (9333, 21655), (10863, 18605), (11163, 18105), (12993, 15555)]