221253045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2222

約数の個数: 64

約数和(自身を含む): 416876544

約数和(自身を除く): 195623499

約数列:

[1, 3, 5, 13, 15, 17, 31, 39, 51, 65, 85, 93, 155, 195, 221, 255, 403, 465, 527, 663, 1105, 1209, 1581, 2015, 2153, 2635, 3315, 6045, 6459, 6851, 7905, 10765, 20553, 27989, 32295, 34255, 36601, 66743, 83967, 102765, 109803, 139945, 183005, 200229, 333715, 419835, 475813, 549015, 867659, 1001145, 1134631, 1427439, 2379065, 2602977, 3403893, 4338295, 5673155, 7137195, 13014885, 14750203, 17019465, 44250609, 73751015, 221253045]

約数ペア:

[(1, 221253045), (3, 73751015), (5, 44250609), (13, 17019465), (15, 14750203), (17, 13014885), (31, 7137195), (39, 5673155), (51, 4338295), (65, 3403893), (85, 2602977), (93, 2379065), (155, 1427439), (195, 1134631), (221, 1001145), (255, 867659), (403, 549015), (465, 475813), (527, 419835), (663, 333715), (1105, 200229), (1209, 183005), (1581, 139945), (2015, 109803), (2153, 102765), (2635, 83967), (3315, 66743), (6045, 36601), (6459, 34255), (6851, 32295), (7905, 27989), (10765, 20553)]