642329961

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^2$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 1110473280

約数和(自身を除く): 468143319

約数列:

[1, 3, 7, 13, 21, 29, 39, 79, 87, 91, 169, 203, 237, 273, 377, 507, 553, 609, 1027, 1131, 1183, 1659, 2291, 2639, 3081, 3549, 4901, 6241, 6873, 7189, 7917, 13351, 14703, 16037, 18723, 21567, 29783, 34307, 40053, 43687, 48111, 81133, 89349, 93457, 102921, 131061, 180989, 208481, 243399, 280371, 387179, 542967, 567931, 625443, 1054729, 1161537, 1266923, 1703793, 2352857, 2710253, 3164187, 3800769, 7058571, 7383103, 8130759, 16469999, 22149309, 30587141, 49409997, 91761423, 214109987, 642329961]

約数ペア:

[(1, 642329961), (3, 214109987), (7, 91761423), (13, 49409997), (21, 30587141), (29, 22149309), (39, 16469999), (79, 8130759), (87, 7383103), (91, 7058571), (169, 3800769), (203, 3164187), (237, 2710253), (273, 2352857), (377, 1703793), (507, 1266923), (553, 1161537), (609, 1054729), (1027, 625443), (1131, 567931), (1183, 542967), (1659, 387179), (2291, 280371), (2639, 243399), (3081, 208481), (3549, 180989), (4901, 131061), (6241, 102921), (6873, 93457), (7189, 89349), (7917, 81133), (13351, 48111), (14703, 43687), (16037, 40053), (18723, 34307), (21567, 29783)]