642942003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{571}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 947232000

約数和(自身を除く): 304289997

約数列:

[1, 3, 11, 33, 149, 229, 447, 571, 687, 1639, 1713, 2519, 4917, 6281, 7557, 18843, 34121, 85079, 102363, 130759, 255237, 375331, 392277, 935869, 1125993, 1438349, 2807607, 4315047, 19483091, 58449273, 214314001, 642942003]

約数ペア:

[(1, 642942003), (3, 214314001), (11, 58449273), (33, 19483091), (149, 4315047), (229, 2807607), (447, 1438349), (571, 1125993), (687, 935869), (1639, 392277), (1713, 375331), (2519, 255237), (4917, 130759), (6281, 102363), (7557, 85079), (18843, 34121)]