219030975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 419049072

約数和(自身を除く): 200018097

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 173, 225, 255, 331, 425, 519, 765, 865, 993, 1275, 1557, 1655, 2595, 2941, 2979, 3825, 4325, 4965, 5627, 7785, 8275, 8823, 12975, 14705, 14895, 16881, 24825, 26469, 28135, 38925, 44115, 50643, 57263, 73525, 74475, 84405, 132345, 140675, 171789, 220575, 253215, 286315, 422025, 515367, 661725, 858945, 973471, 1266075, 1431575, 2576835, 2920413, 4294725, 4867355, 8761239, 12884175, 14602065, 24336775, 43806195, 73010325, 219030975]

約数ペア:

[(1, 219030975), (3, 73010325), (5, 43806195), (9, 24336775), (15, 14602065), (17, 12884175), (25, 8761239), (45, 4867355), (51, 4294725), (75, 2920413), (85, 2576835), (153, 1431575), (173, 1266075), (225, 973471), (255, 858945), (331, 661725), (425, 515367), (519, 422025), (765, 286315), (865, 253215), (993, 220575), (1275, 171789), (1557, 140675), (1655, 132345), (2595, 84405), (2941, 74475), (2979, 73525), (3825, 57263), (4325, 50643), (4965, 44115), (5627, 38925), (7785, 28135), (8275, 26469), (8823, 24825), (12975, 16881), (14705, 14895)]