31335990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{21317}}^1$

素因数の和:21341

約数の個数: 48

約数和(自身を含む): 87489072

約数和(自身を除く): 56153082

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 21317, 42634, 63951, 106585, 127902, 149219, 213170, 298438, 319755, 447657, 639510, 746095, 895314, 1044533, 1492190, 2089066, 2238285, 3133599, 4476570, 5222665, 6267198, 10445330, 15667995, 31335990]

約数ペア:

[(1, 31335990), (2, 15667995), (3, 10445330), (5, 6267198), (6, 5222665), (7, 4476570), (10, 3133599), (14, 2238285), (15, 2089066), (21, 1492190), (30, 1044533), (35, 895314), (42, 746095), (49, 639510), (70, 447657), (98, 319755), (105, 298438), (147, 213170), (210, 149219), (245, 127902), (294, 106585), (490, 63951), (735, 42634), (1470, 21317)]