201728985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{3593}}^1$

素因数の和:3817

約数の個数: 32

約数和(自身を含む): 341573760

約数和(自身を除く): 139844775

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 591, 985, 2955, 3593, 3743, 10779, 11229, 17965, 18715, 53895, 56145, 68267, 204801, 341335, 707821, 1024005, 2123463, 3539105, 10617315, 13448599, 40345797, 67242995, 201728985]

約数ペア:

[(1, 201728985), (3, 67242995), (5, 40345797), (15, 13448599), (19, 10617315), (57, 3539105), (95, 2123463), (197, 1024005), (285, 707821), (591, 341335), (985, 204801), (2955, 68267), (3593, 56145), (3743, 53895), (10779, 18715), (11229, 17965)]