213048645

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{5503}}^1$

素因数の和:5629

約数の個数: 32

約数和(自身を含む): 356659200

約数和(自身を除く): 143610555

約数列:

[1, 3, 5, 15, 29, 87, 89, 145, 267, 435, 445, 1335, 2581, 5503, 7743, 12905, 16509, 27515, 38715, 82545, 159587, 478761, 489767, 797935, 1469301, 2393805, 2448835, 7346505, 14203243, 42609729, 71016215, 213048645]

約数ペア:

[(1, 213048645), (3, 71016215), (5, 42609729), (15, 14203243), (29, 7346505), (87, 2448835), (89, 2393805), (145, 1469301), (267, 797935), (435, 489767), (445, 478761), (1335, 159587), (2581, 82545), (5503, 38715), (7743, 27515), (12905, 16509)]